diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index 46dfe28da62..75fa24aa4dc 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -210,7 +210,7 @@ impl<T> Option<T> {
     // Adapter for working with references
     /////////////////////////////////////////////////////////////////////////
 
-    /// Converts from `Option<T>` to `Option<&T>`.
+    /// Converts from `&Option<T>` to `Option<&T>`.
     ///
     /// # Examples
     ///
@@ -239,7 +239,7 @@ impl<T> Option<T> {
         }
     }
 
-    /// Converts from `Option<T>` to `Option<&mut T>`.
+    /// Converts from `&mut Option<T>` to `Option<&mut T>`.
     ///
     /// # Examples
     ///
diff --git a/src/libcore/result.rs b/src/libcore/result.rs
index 2bd6b536301..967f7e3e2fe 100644
--- a/src/libcore/result.rs
+++ b/src/libcore/result.rs
@@ -369,7 +369,7 @@ impl<T, E> Result<T, E> {
     // Adapter for working with references
     /////////////////////////////////////////////////////////////////////////
 
-    /// Converts from `Result<T, E>` to `Result<&T, &E>`.
+    /// Converts from `&Result<T, E>` to `Result<&T, &E>`.
     ///
     /// Produces a new `Result`, containing a reference
     /// into the original, leaving the original in place.
@@ -394,7 +394,7 @@ impl<T, E> Result<T, E> {
         }
     }
 
-    /// Converts from `Result<T, E>` to `Result<&mut T, &mut E>`.
+    /// Converts from `&mut Result<T, E>` to `Result<&mut T, &mut E>`.
     ///
     /// # Examples
     ///